📌Need verified B2B leads, email lists, targeted contacts, or LinkedIn research with 100% accuracy and fast turnaround? I’m here to help.
I’m a Top-Rated Lead Generation Specialist with $500K+ earned, 780+ successful projects, and a strong record of client satisfaction. I assist sales teams, recruiters, founders, and agencies with accurate, reliable data they can trust to drive results.
My Expertise Includes:
• B2B & B2C Leads | Contact List Building
• Email Sourcing | LinkedIn Research
• Prospect List Building | Lead Enrichment
• LinkedIn Prospecting | List Building
• B2B Email Lists | Email Marketing
• Data Mining | Data Enrichment
• Email Prospecting | Online Research
• B2B Sales | Data Collection
• Email Mining | Marketing Lists
• Cold Email Lists | Sales Lead Prospecting
• Email List Building | Finding Email Addresses
• Verified Email Lists | Email List Growth
• Contact Research | Contact Finding
• B2B Email Leads | Prospect Research
• Database Building | Data Entry
• Lead Sourcing | Email Data Capture
• Email Finder | Email List Management
• Cold Email Lead Generation | Sales Prospecting
• Contact Enrichment | Data Extraction
• Lead Research | Lead Mining
• Data Gathering | LinkedIn Lead Generation
Tools & Resources:
Apollo (Paid Account), LinkedIn Sales Navigator, Hunter, ZoomInfo, RocketReach, ContactOut, VoilaNorbert, MailTester, Discoverly, Lusha, D&B Hoovers, SellHack, Datanyze, Snov, Clearbit Connect, FullContact, NeverBounce, Lead411, ZeroBounce, SalesQL, AnyMail Finder, Crunchbase Pro, Google Sheets, MS Excel
Why Clients Hire Me:
→ Fast delivery with high accuracy
→ Verified emails and contact information only
→ 13+ years of experience with agencies, startups, and enterprise teams
→ Top Rated freelancer with $500K+ earnings on Upwork
Client Testimonials:
''I was very happy with Mithun's work. He completed his work in a timely manner and paid attention to all of the details I asked of him. The work he completed surpassed my expectations for what I was asking of him. He went above and beyond; paying special attention to the specific details of the deliverable without sacrificing time and efficiency. I would absolutely recommend him to anyone who may be interested.”
— Henry McAlpin, Onduo (a Verily company)
"At the end of successful projects, I'll usually leave a review to indicate that I would be glad to use this freelancer again, which is valid with Mithun. I would certainly hire him again, but it goes well beyond that. Mithun is so pleasant, responsive, and professional that I wouldn't consider using anyone else.”
— Charles Carlson, Charles S. Smith & Associates
''Mithun is an excellent worker, it is always a pleasure to work with him. He is very reactive and works quicker than the deadlines. Mithun has great communicative skills. The quality of his work is amazing! Clearly, i warmly recommend him.”
— Michael Zribi, Bird Office
''Really appreciated Mithun's careful verification that he understood my requirements. He asked useful clarifying questions to set the right expectations for the work. He also cooperated well with me on completing work that wasn't perfectly specified/structured ahead of time. Professional work.”
— Josh Herritz, MIOsoft Corporation
"Mithun is a pleasure to work with: resourceful, a creative problem solver, and professional in his work. I've been working with him for 4+ years and recommend him constantly.”
— Jose Vieitez, Boomtown Accelerators
"Mithun's work was of high quality and he reacted to our fluctuating demand well. When we had urgent deadlines to hit he really went above and beyond to help us. I would recommend his services.”
— Luke Jonas, Hatch Group
"Mithun is thorough and accurate in his work, responsive and careful in his communication, and swift at achieving on deadline. I'll definitely hire him again to gain advantageous intelligence and help me look like a hero to my coworkers.”
— Glen Adamik, Elkay Plastics
Thank you for checking out my profile. I would love to hear about your project. I typically reply within an hour and can get started right away.
Best regards,
Mithun Karmaker
Data Entry
Lead Generation
Sales Lead Lists
Prospect List
Contact List
List Building
Email List
Prospect Research
Data Mining
B2B Lead Generation
LinkedIn Lead Generation
Company Research
LinkedIn Sales Navigator
Email Sourcing
Market Research
Suravi A.
Dhaka, Bangladesh
$3/hr
4.9
214 jobs
I’m a dedicated Lead Generation specialist with proven experience in finding accurate, high-quality leads for businesses worldwide. Skilled in market research, data mining, and contact sourcing, I help clients connect with the right decision-makers faster. My goal is to deliver reliable data that drives growth and saves your time.
📌 Expertise in
🔍 Lead Research
📧 Cold Email
📄 Data Entry
🌐 Web Research
📑 PDF/Image to Word or Excel Conversion
📊 Google Sheets / Excel Spreadsheet
🛎 Virtual Assistance
🏠 Property Owner Contact Information
📇 Venture Capital
🔍 Angel List
🌀 Crunchbase
📌 Knowledgeable in
🔹 LinkedIn Sales Navigator
📧 Email Hunter
📇 Rapportive
🌀 Data.com
🗂 Hoover
📄 Google Docs
🖋 MailTester
🌐 Search Engines (Mozilla Firefox, Google Chrome, etc.)
📧 Apollo.io
📩 Mailchimp
🏙 Reonomy.com
🗃 Resimpli.com
📋 Airtable
🏡 Airbnb
🗃 Causeiq.com
📄 Non-Profit Organization Research
📌 Skills & Strengths
💬 Proficient in English
💻 Computer Literate
🌸 Basic Knowledge in Adobe Photoshop
🤖 Artificial Intelligence (AI)
💬 ChatGPT
📌 Work Ethic & Values
⏳ Committed to Timeliness
💬 Quick & Clear Communication
🤝 Honesty
✅ 100% Client Satisfaction
🎯 Accuracy
Salesforce CRM
Product Listings
Social Media Marketing
LinkedIn Sales Navigator
Apollo.io
College & University
Image Annotation
Image Classification
Image Analysis
Social Media Management
Video Annotation
CVAT
Course
Landing Page
Email Outreach
Recruiting
Influencer Outreach
Influencer Research
B2B Lead Generation
Facebook
Anik S.
Dhaka, Bangladesh
$5/hr
5.0
26 jobs
“Better leads don’t just grow your list — they grow your revenue.”
🏆 Top Rated Freelancer | 💯 100% Job Success
30,000+ Leads Delivered — Specialized in Targeted Lead Collection.
Looking for accurate B2B leads that actually convert into clients — not just random data?
I help businesses build high-quality, targeted prospect lists of real decision-makers so your outreach turns into meetings, pipeline, and revenue.
What You’ll Get:
✔ Targeted B2B Leads based on your Ideal Customer Profile
✔ Decision-Maker Contacts (CEO, Founder, Manager, etc.)
✔ Verified Emails (low bounce, high deliverability)
✔ Clean, CRM-ready data (Excel / Google Sheets)
✔ Niche & hard-to-find prospect research
My Approach:
I don’t just collect data — I build conversion-focused lead lists.
✔ Deep research based on your target market
✔ Premium tools + manual verification
✔ Email validation (NeverBounce + cross-check)
✔ Final quality check before delivery
Experience & Results:
✔ 30,000+ leads researched & delivered
✔ Worked with SaaS, agencies, and service-based businesses
✔ Skilled in both bulk and highly targeted projects
Tools I Use:
Apollo • Clay • LinkedIn Sales Navigator • Hunter • NeverBounce
Why Clients Choose Me:
✔ Leads that are relevant, not random
✔ Focus on quality over quantity
✔ Free sample before starting
✔ Fast communication & reliable delivery
I’m happy to start with a small sample so you can review the quality before moving forward.
Just share your target industry, location, and criteria — I’ll take care of the rest.
We can go over everything in detail before getting started to make sure we’re aligned.
Anik Saha
Data Entry
Lead Generation
B2B Lead Generation
LinkedIn Lead Generation
Prospect List
Email List
Apollo.io
Clay
Market Research
Data Mining
Data Extraction
Data Scraping
PDF Conversion
Monzur Ahmed U.
Dhaka, Bangladesh
$6/hr
5.0
205 jobs
FULL-TIME FREELANCER - DATA ENTRY, WEB RESEARCH & LEAD GENERATION SPECIALIST
✔️✔️✔️ Worked 22,700+ hours on Upwork - reliable, fast, and detail-oriented. ✔️✔️✔️
I’m Monzur, a full-time virtual assistant specializing in data entry, lead generation, and web research. I deliver accurate, scalable, and secure data solutions that help businesses streamline operations and accelerate growth. I combine proven manual processes with productivity tools and quality checks to ensure clean, actionable results.
Core services:
• Data Entry, Data Cleaning, Data Validation, CSV/Excel Processing
• Web Research, Market Research, Property Data Collection
• Lead Generation, B2B Lead Lists, Prospect Lists, Contact Discovery
• PDF to Excel/Word, Image-to-Text (OCR), Bank Statement Extraction
• LinkedIn Data Mining, Contact Enrichment, Email & Phone Search
• CRM/Data Import (CSV preparation), Google Sheets
• WordPress Data Entry, File Management, Admin Support
• Photoshop for basic image editing and presentation
Why hire me:
• Proven experience: 22,700+ Upwork hours, high client retention.
• Accuracy-first workflow: double-checks, standardized templates, sample deliverables.
• Fast turnaround: optimized processes, regular progress updates.
• Confidentiality: secure handling of client data and NDAs accepted.
• Flexible communication: available across time zones, responsive messaging.
Tools & technologies:
• Excel, Google Sheets, Google Workspace, ChatGPT, OCR tools, basic Photoshop, LinkedIn, CRM CSV workflows.
Let me convert your raw data into reliable assets you can use for sales, reporting, or operations. I’m ready to start with a sample task or audit of your current dataset.
Data Entry
Lead Generation
Online Research
Prospect List
Contact List
B2B Lead Generation
Market Research
Influencer Research
Company Research
Data Extraction
Data Collection
Data Cleaning
Sales Lead Lists
Administrative Support
Google Sheets
Microsoft Excel
Copy & Paste
Virtual Assistance
ChatGPT
AI Chatbot
Sabrina M.
Dhaka, Bangladesh
$5/hr
5.0
8 jobs
Need 100% verified B2B leads, not random database exports? I build
targeted prospect lists and enrich CRM data with triple-verified,
bounce-free emails, so your sales team spends time selling, not
chasing dead contacts.
I help agencies, SaaS companies, and B2B brands, including
healthcare, construction, restaurant, retail and luxury sectors, find and reach their ideal customers through:
✅ B2B Lead Generation & List Building (99%+ valid email guarantee)
✅ LinkedIn Prospecting with Sales Navigator
✅ CRM Data Enrichment & Cleaning
✅ Contact List Building (LinkedIn, Crunchbase, Apollo, Lusha, ZoomInfo)
✅ Email List Verification (NeverBounce, ZeroBounce, bulk checkers)
✅ Company & Market Research
✅ Data Entry & Reporting (Google Sheets / Excel)
My process:
1. I confirm your ICP- industry, company size, job titles, location.
2. I source contacts using premium tools: LinkedIn Sales Navigator,
Crunchbase, Apollo, Email Hunter, Kendo, Lusha.
3. I run every email through a 3-layer verification check.
4. I deliver a clean, ready-to-use list in your preferred format-
Google Sheets, Excel, or CRM-ready CSV.
Why work with me:
- 100% Job Success Score | Top Rated on Upwork
- Full-time freelancer, available 30+ hrs/week, 0–4-hour response time
- Reliable high-speed internet and daily availability
- I ask clarifying questions upfront so the final list matches your
exact criteria- no back-and-forth revisions
Tools I use:
LinkedIn Sales Navigator
Crunchbase
Apollo
Email Hunter
ContactOut
AIDA
Lusha
AeroLeads
GetProspect
Nymera
Kendo
For Email Verification:
NeverBounce
ZeroBounce
Name2Email
TrueMail
Message me with your target industry and list size; I'll tell you
exactly how I'd approach it.
Regards,
Sabrina
Data Entry
Lead Generation
B2B Lead Generation
List Building
LinkedIn Sales Navigator
LinkedIn Lead Generation
Data Cleaning
Data Scraping
Company Research
Market Research
Online Research
Email List
Microsoft Excel
Prospect List
MD M.
Dhaka, Bangladesh
$7/hr
5.0
167 jobs
I have been working on this platform as a Lead Generation professional for 8 years. My services are:
Research and collect company contact details, including names, emails, phone numbers, and roles.
Build targeted email lists tailored to specific industries or requirements.
Verify and ensure the accuracy of collected data.
Organize and deliver data in a clean, structured format.
Usually, I use some tools like LinkedIn Sales Navigator, Apollo.io, Hunter.io, Lusha, Snov.io, and
similar platforms.
►Services Offered:
≫ Lead Generation ≫ Web Research ≫ Data Mining≫ Data Entry≫ Building Contact List ≫ LinkedIn Lead Generation ≫ Email Listing ≫ Prospect List Building≫ Sales Lead Generation ≫ E-commerce Data Entry ≫ Product Listing ≫ Database Building ≫ Finding Company information ≫ LinkedIn Email Mining ≫ B2B, B2C
►Email Finding Tools:
☑ Snov.io
☑ Hunter.io
☑ Lusha
☑ Zoominfo Premium
☑ Contactout
☑ Apollo.io
☑ DiscoverOrg
☑ Clearbit
☑ SalesQL
►Email Verification tools:
☑ LinkedIn Sales Navigator Extention (formerly Rapportive)
☑ Hunter.io
☑ Neverbounce.com
Thank you! For spending some time on my profile.
Data Entry
Lead Generation
List Building
Market Research
Data Scraping
Data Collection
Email List
Prospect List
Contact List
LinkedIn Lead Generation
Data Mining
Sales Lead Lists
B2B Lead Generation
Contact Info Research
Microsoft Excel
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